<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>Bright-Cloud Gateway</title>
</head>
<style>
    .content{
        margin:0 auto;
        width: 400px;
        height: 100px;
        position: relative;
        line-height: 50px;/*让div中的文字垂直居中*/
        text-align: center;
        font-size: 16pt;
        border:2px solid #a1a1a1;
        width:300px;
        border-radius:25px;
    }
</style>
<body>
<div class="content">
    <h4>Bright-Cloud网关</h4>
</div>
</body>
</html>